Dual Alliances were not invented in World War I. Any time two countries were allied in a military alliance, it was a dual alliance. It was just the name of an alliance in the WWI period.
prussa
triple alliance was the powerfull alliance in 1st world war
World war 1 became entrenched because of the alliance system
Russia entered World War 1 through an alliance with Austria. World War 1 caused much distress with Russia's people. Many weapons came to the hands of peasants. World War 1 was a main contribution to starting the Russian Revolution. The alliance was not with Austria. Russia fought Austria. The alliance was with France against Germany.
When the British declared war on the Triple Alliance.
World War 1
Yes it was.
Triple Alliance
Its a secret
Germany, Austria, Turkey
The central powers.